mirror of
https://github.com/cryb-to/cryb-to.git
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251 lines
6.4 KiB
C
251 lines
6.4 KiB
C
/*-
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* Copyright (c) 2012 The University of Oslo
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* Copyright (c) 2012-2014 Dag-Erling Smørgrav
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "cryb/impl.h"
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <cryb/test.h>
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#if WITH_OPENSSL
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#include <openssl/md5.h>
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#define MD5_DIGEST_LEN MD5_DIGEST_LENGTH
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static void
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t_md5_complete(const void *msg, size_t msglen, uint8_t *digest)
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{
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MD5_CTX ctx;
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MD5_Init(&ctx);
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MD5_Update(&ctx, msg, msglen);
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MD5_Final(digest, &ctx);
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}
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#elif WITH_RSAREF
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#include <rsaref.h>
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#define MD5_DIGEST_LEN 16
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static void
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t_md5_complete(const void *msg, size_t msglen, uint8_t *digest)
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{
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MD5_CTX ctx;
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MD5Init(&ctx);
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MD5Update(&ctx, (unsigned char *)(uintptr_t)msg, msglen);
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MD5Final(digest, &ctx);
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}
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#else
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#include <cryb/md5.h>
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#define t_md5_complete(msg, msglen, digest) \
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md5_complete(msg, msglen, digest)
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#endif
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/*
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* Test vectors from RFC 1321
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*/
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static struct t_vector {
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const char *msg;
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const uint8_t digest[MD5_DIGEST_LEN];
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} t_md5_vectors[] = {
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{
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"",
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{
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0xd4, 0x1d, 0x8c, 0xd9, 0x8f, 0x00, 0xb2, 0x04,
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0xe9, 0x80, 0x09, 0x98, 0xec, 0xf8, 0x42, 0x7e,
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}
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},
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{
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"a",
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{
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0x0c, 0xc1, 0x75, 0xb9, 0xc0, 0xf1, 0xb6, 0xa8,
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0x31, 0xc3, 0x99, 0xe2, 0x69, 0x77, 0x26, 0x61,
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}
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},
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{
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"abc",
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{
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0x90, 0x01, 0x50, 0x98, 0x3c, 0xd2, 0x4f, 0xb0,
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0xd6, 0x96, 0x3f, 0x7d, 0x28, 0xe1, 0x7f, 0x72,
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}
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},
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{
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"message digest",
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{
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0xf9, 0x6b, 0x69, 0x7d, 0x7c, 0xb7, 0x93, 0x8d,
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0x52, 0x5a, 0x2f, 0x31, 0xaa, 0xf1, 0x61, 0xd0,
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}
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},
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{
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"abcdefghijklmnopqrstuvwxyz",
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{
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0xc3, 0xfc, 0xd3, 0xd7, 0x61, 0x92, 0xe4, 0x00,
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0x7d, 0xfb, 0x49, 0x6c, 0xca, 0x67, 0xe1, 0x3b,
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}
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},
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{
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"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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"abcdefghijklmnopqrstuvwxyz"
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"0123456789",
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{
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0xd1, 0x74, 0xab, 0x98, 0xd2, 0x77, 0xd9, 0xf5,
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0xa5, 0x61, 0x1c, 0x2c, 0x9f, 0x41, 0x9d, 0x9f,
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}
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},
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{
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"1234567890123456789012345678901234567890"
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"1234567890123456789012345678901234567890",
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{
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0x57, 0xed, 0xf4, 0xa2, 0x2b, 0xe3, 0xc9, 0x55,
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0xac, 0x49, 0xda, 0x2e, 0x21, 0x07, 0xb6, 0x7a,
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}
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},
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};
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/*
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* Unit test: compute the MD5 sum of the specified string and compare it
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* to the expected result.
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*/
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static int
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t_md5_vector(char **desc CRYB_UNUSED, void *arg)
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{
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struct t_vector *vector = (struct t_vector *)arg;
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uint8_t digest[MD5_DIGEST_LEN];
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t_md5_complete(vector->msg, strlen(vector->msg), digest);
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return (t_compare_mem(vector->digest, digest, MD5_DIGEST_LEN));
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}
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#if !defined(WITH_OPENSSL) && !defined(WITH_RSAREF)
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/*
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* Various corner cases and error conditions
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*/
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static int
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t_md5_short_updates(char **desc CRYB_UNUSED, void *arg)
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{
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struct t_vector *vector = (struct t_vector *)arg;
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uint8_t digest[MD5_DIGEST_LEN];
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md5_ctx ctx;
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int i, len;
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md5_init(&ctx);
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len = strlen(vector->msg);
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for (i = 0; i + 5 < len; i += 5)
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md5_update(&ctx, vector->msg + i, 5);
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md5_update(&ctx, vector->msg + i, len - i);
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md5_final(&ctx, digest);
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return (memcmp(digest, vector->digest, MD5_DIGEST_LEN) == 0);
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}
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#endif
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/*
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* Performance test: measure the time spent computing the MD5 sum of a
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* message of the specified length.
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*/
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#define T_PERF_ITERATIONS 1000
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static int
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t_md5_perf(char **desc, void *arg)
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{
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struct timespec ts, te;
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unsigned long ns;
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uint8_t digest[MD5_DIGEST_LEN];
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size_t msglen = *(size_t *)arg;
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char msg[msglen];
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clock_gettime(CLOCK_MONOTONIC, &ts);
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for (int i = 0; i < T_PERF_ITERATIONS; ++i)
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t_md5_complete(msg, msglen, digest);
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clock_gettime(CLOCK_MONOTONIC, &te);
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ns = te.tv_sec * 1000000000LU + te.tv_nsec;
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ns -= ts.tv_sec * 1000000000LU + ts.tv_nsec;
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asprintf(desc, "%zu bytes: %d iterations in %'lu ns",
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msglen, T_PERF_ITERATIONS, ns);
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return (1);
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}
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/***************************************************************************
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* Boilerplate
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*/
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int
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t_prepare(int argc, char *argv[])
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{
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int i, n;
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(void)argc;
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(void)argv;
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n = sizeof t_md5_vectors / sizeof t_md5_vectors[0];
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for (i = 0; i < n; ++i)
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t_add_test(t_md5_vector, &t_md5_vectors[i],
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"RFC 1321 test vector %d", i + 1);
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#if !defined(WITH_OPENSSL) && !defined(WITH_RSAREF)
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/*
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* Run test vector 7 (which is 80 characters long) 5 characters at
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* a time. This tests a) appending data to an underfull block and
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* b) appending more data to an underfull block than it has room
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* for (since 64 % 5 != 0). Test vector 7 already exercised the
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* code path for computing a block directly from source (without
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* copying it in), and all the test vectors except vector 1
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* exercised the general case of copying a small amount of data in
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* without crossing the block boundary.
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*/
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t_add_test(t_md5_short_updates, &t_md5_vectors[6],
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"multiple short updates");
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#endif
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if (t_str_is_true(getenv("CRYB_PERFTEST"))) {
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static size_t one = 1, thousand = 1000, million = 1000000;
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t_add_test(t_md5_perf, &one,
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"performance test (1 byte)");
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t_add_test(t_md5_perf, &thousand,
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"performance test (1,000 bytes)");
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t_add_test(t_md5_perf, &million,
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"performance test (1,000,000 bytes)");
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}
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return (0);
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}
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void
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t_cleanup(void)
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{
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}
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